Increase in velocity of sound in the air for 1°C rise in temperature is_________________?

(A) 1.61 ms-1 (X)
(B) 61.0 ms-1 (X)
(C) 0.61 ms-1 ()
(D) 2.00 ms-1 (X)

Answers: Increase in velocity of sound in the air for 1°C rise in temperature is 0.61 ms-1.